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Finding the Third Proportional to 159,192 and 248,472

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Solution

The third proportional to 159,192 and 248,472 is: 387,823.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,192 : 248,472 = 248,472 : x
  2. Step 2: Convert to fraction form
    159,192/248,472 = 248,472/x
  3. Step 3: Cross multiply
    159,192x = 248,472 × 248,472
  4. Step 4: Simplify right side
    159,192x = 61,738,334,784
  5. Step 5: Solve for x
    x = 61,738,334,784/159,192
  6. Step 6: Final answer
    x = 387,823.10

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.